cadschool.com.br

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:24:d2:d3:19:fc:ce:bf:ca:11:3c:6b:f9:d0:34:eb:01:c6 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=cadschool.com.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:24:d2:d3:19:fc:ce:bf:ca:11:3c:6b:f9:d0:34:eb:01:c6
Serial Number (int): 360979542917036477269093598482701488947654
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f6:80:e4:f8:1b:0f:02:7a:c1:2a:49:99:65:37:81:60:14:2a:a0:1f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 1c:6a:99:79:36:b0:80:6b:c8:b9:44:4b:ec:8a:b3:34:0a:65:b3:5e
Fingerprint (sha256): d1:03:30:47:da:3d:31:4e:7b:5c:b2:84:3e:b5:cf:95:1e:50:43:4f:ed:6a:dd:f3:fb:a6:a3:88:b9:a7:91:42

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate cadschool.com.br

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cadschool.com.br

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

cadschool.com.br
www.cadschool.com.br

Other certificates including the domain name cadschool.com.br

(limited to 100 certificates)
www.cadschool.com.br
cadschool.com.br
www.cadschool.com.br
www.cadschool.com.br
cadschool.com.br
cadschool.com.br
www.cadschool.com.br
www.cadschool.com.br
cadschool.com.br
www.cadschool.com.br
www.cadschool.com.br
cadschool.com.br
www.cadschool.com.br
www.cadschool.com.br
cadschool.com.br
www.cadschool.com.br
cadschool.com.br
www.cadschool.com.br
www.cadschool.com.br
www.cadschool.com.br

Certificate

The complete raw certificate details for cadschool.com.br in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqOoqqrcialFjBc252H4P
qM3jQE9dtqWh6bI+64uICgqRGF+Oenb3N3nIaOEF3f7MVV3BIKKx2jrr7NX28RtB
ZVbm8ggFnAtntZH5+18KD8log0wiZxkAJrbf9JtrffBBczqnvzDzHqFyOP2dKFgf
/0vqa/WCAXuvPPObWyM+sVqTCPESqyYLPd7vAwU0COUi8BKxDif8joehmqn3p7nV
Qppzs4fW8vS24JETf1kxnODyPz7Y2NUnvH+lvy41F4MIGbO7ComBVVFCk2YtdVag
eLiID9fU0IUZEDPyyvxRbkCaD/c59TPpm/EHpKlPQd0aCYixPjqZxH+VuBCZg894
LwIDAQAB
-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 360979542917036477269093598482701488947654
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-21 05:44:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-19 05:44:18 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'cadschool.com.br'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 21323507121693803236514259625667036163156543342182192365256883507070869331496555738063588190345503038450551625854583217685862073555444295578962789656815563925498705634850293764203343400414339237318544015504180869732429779068840900458376426623187851739979717019815893780656038370097545893145743679353356746646556589819826502673301119370435172962040620569116077807482581476361884310632062634832105293451440616831566097634483158220094615312180950706031225228244045029677850564479557196658506659358049894288955672741326930500540672924253411772457684902209875793252007854472904945224397321276717514948969326997225421633583
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							f680e4f81b0f027ac12a499965378160142aa01f
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cadschool.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cadschool.com.br'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ded0f3178000004030046304402200c674f67d5cb493b25a83eb20bc24db5eac8254411aec40e87d0ffb93b25681102204039a3d3004b1b661f8174050a6c9cef7750d941ef491c64dcb976ffeb06b692007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ded0f316900000403004630440220599e2f97ff3dfb8ba527e8b081fb6c229fd34a181b82f445af44e86da65c7727022025c51909dca91e0b010ee75e5f39cc01cebcb01a02292b4874cee120fd51ef0b
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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